presidentbasharassad. workingto negotiate an end to the fighting of the syrian army and rebel forces. what happened in the the violence increased dramatically in recent days since his arrival. and just yesterday activist said a government air strike killed dozens of men, women and children. they were waiting in a bread line in central syria and dozens more civilians were wounded. this is amateur video it. it appears to show the aftermath. fox news working to confirm that. let's get back to leland vittert live on the west bank. what's the latest? >> jamie, the rebels are now claiming president assad's forces are using some type of poison gas or some type of chemical weapon against them. again, not something that we can confirm independently but if it is true, it would mark a major escalation. >> ache if i vistas upload offed a number of videos claiming to be victims receiving treatment in a local hospital. while the video is totally unconfirmable. it appears it show people suffering have tear gas and other irgantz and not suffering from chemical weapons like saran gas. time and moment